IHandle Reference 
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IHandle
Access
AutoClose
Duplicate
Handle
IsStillValid
KernelObj
Notify
ObjType
OwnerProcess
WaitFor
WouldWait
Checked
Data
Focused
GetInterface
Index
IsValid
LastChangeType
LastErrorNo
LastErrorStr
OldIndex
Selected
SelfAsTObject
SetData
SetLastError
StrBuf
Success
Supports